Scan Tool Data Definitions

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

8 Digit GM Part Number: The scan tool displays the 8 digit BCM part number for service identification.

Electronics Battery Fd: The scan tool displays 0.0-25.5 volts. Electronics Battery Fd represents the system voltage measured by the BCM at its battery feed input.

Ignition 0 (Data): The scan tool displays 0.0-25.5 volts. The Ignition 0 voltage represents the system voltage measured at the BCM Ignition 0 feed input.

Ignition 0 (Inputs): The scan tool displays Active/Inactive. The scan tool displays Active when the ignition switch is in ACCY or RUN positions.

Ignition 1: The scan tool displays Active/Inactive. The scan tool displays Active when the ignition switch is in RUN or START positions.

Ignition Accessory: The scan tool displays Active/Inactive. The scan tool displays Active when the ignition switch is in ACCY or RUN positions.

Key In Ignition: The scan tool displays Active/Inactive. The scan tool displays Active when the ignition key is inserted into the ignition switch.

Park/Neutral Switch: The scan tool displays Active/Inactive. The scan tool displays Active when the shift lever is in the Park or Neutral positions.

Fig 1: Diagnostic Trouble Code List

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